I Don't Know What My Little Sister's Friend Is Thinking

My sister's friend Tsuyu-chan is a quiet girl who and I can't figure out what she is thinking. However, it doesn't seem that I'm disliked… Acclaimed as cute on social! Daily popular short romcom with a total of 1.1 million likes.

35 chapters

Chapter 34
Chapter 33
Chapter 32
Chapter 31
Chapter 30
Chapter 29
Chapter 28
Chapter 27
Chapter 26
Chapter 25.5
Chapter 25
Chapter 24
Chapter 23
Chapter 22
Chapter 21
Chapter 20
Chapter 19
Chapter 18
Chapter 17
Chapter 16
Chapter 15
Chapter 14
Chapter 13
Chapter 12
Chapter 11
Chapter 10
Chapter 9 — Aquarium 3
Chapter 8 — Aquarium 2
Chapter 7 — Aquarium
Chapter 6 — Bracelets 2
Chapter 5 — Bracelets
Chapter 4 — Little Sister's Friend and Games
Chapter 3 — Little Sister's Friend and Cat
Chapter 2 — Making Snacks
Chapter 1 — I Don't Know What My Little Sister's Friend Is Thinking

I Don't Know What My Little Sister's Friend Is Thinking

I Don't Know What My Little Sister's Friend Is Thinking is a completed manga by Okiumi Rei, first published in 2019. It blends romance, comedy and slice of life. You can read all 35 available chapters of I Don't Know What My Little Sister's Friend Is Thinking online for free on MangaPulse; the newest is Chapter 34, added 2022-08-31. The series is finished, so you can read it from start to end in one go.

Okiumi Rei · 2019 · Completed

Romance · Comedy · Slice of Life